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2) It costs $399, and the lower-capacity model costs $299, $100 less for each.

Unit 15 Space Part A Exercise 1

1. ¡­April 12, 1961 ¡­leave the Earth in a

satellite ¡­108 ¡­17,560

2. ¡­11 ¡­set foot on the moon ¡­July 20, 1969 ¡­one

small step for man ¡­giant leap for mankind 3. ¡­took the first ¡°walk¡± in space ¡­June 3, 1965 ¡­100 miles ¡­12-minute space walk ¡­nine ¡­21

4. ¡­June 1963 ¡­71 ¡­

5. ¡­manned space flight ¡­6:23 ¡­Oct. 16,

2003 ¡­21 ¡­600,000

Exercise 2

1) Oct. 12, 2005 2) second manned

spacecraft

3) two astronauts aboard 4) five-day 5) 9:00 a.m. 6) entered into

the 200 kilometer orbit of Earth

7) the third nation 8) the

country¡¯s place in space exploration

Part B Passage 1

Exercise 1 1. b 2. c 3. b 4. a 5. d

Exercise 2

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A 10 new planet has been discovered by American astronomers. It is the largest object found in orbit around the sun since the discovery of Neptune and its satellite Triton some 160 years ago. It is larger than Pluto, and is about 97 times farther from the sun than

Earth.

The new planet has not been officially named yet. The discoverers have submitted a permanent name for it to

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the International Astronomical Union and are waiting for its decision. In the meantime a temporary name of 2003UB313 is being used to refer to the new planet. Passage 2 Exercise 1 1. b 2. b 3. c 4. a

5. c Exercise 2

A solar eclipse happens when the moon, on its trip around the earth, passes directly between the sun and the earth, preventing rays of the sun from reaching the earth and causing a temporary darkening of the sun. A solar eclipse can last as long as seven and a half minutes. The solar eclipse can be a partial one or a

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total one. During the 20 century alone, 228 solar eclipses took place, and most of them were partial ones. ¡°The Eclipse of the Century¡± that took place in 1991 was a total one. The shadow of the moon spread a path of darkness across the land from Hawaii to South America. But in the continental United States, only a partial eclipse occurred, and it was barely visible because of

a cloud cover.

Unit 16 Health Part A Exercise 1 a

Exercise 2 1) caring 2) regular 3)

squares 4) researchers

5) affects 6) pressure 7) block 8) Being optimistic and joyful is also an

important way to stay healthy.

9) These emotions are not good for your health. 10) That will certainly be advantageous to your body and help make you live a long and healthy life.

Part B Passage 1

Exercise 1 1. a 2. b 3. c 4. d 5. d

Exercise 2

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Who Need Blood Who Are Unsuitable for Blood Transfusion Donation 1. Pregnant women 1. Unhealthy people; suffering bleeding inside their bodies; 2. Children whose 2. People who have an infection blood lacks iron; that can be passed through blood; 3. Accident 3. People who have given blood victims; within the last four months; 4. People with 4. People who do not feel well; cancer; 5. People receiving 5. Pregnant women or women who have certain operations been pregnant within the past or treatments in year; hospitals. / 6. People with heart disease or diabetes; / 7. People taking certain kinds of medicine; / 8. People who give blood for money. Passage 2 Exercise 1 1. c 2. b 3. d 4. c

5. c

Exercise 2 1. ¡­a regular check-up ¡­nine weeks

pregnant

2. ¡­hard ¡­right breast

3. ¡­standard ¡­a suspect lump

4. ¡­malignant cells

5. ¡­34 years of age ¡­have a baby

6. ¡­very small ¡­affected 7. ¡­to stop her pregnancy 8. ¡­to let go of the baby

9. ¡­not to stop her pregnancy ¡­have her

right breast removed

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10. ¡­her lymph nodes had not been affected

11. ¡­surgery ¡­six ¡­healthy

Test 1 Part A

1. b 2. c 3. a 4. a 5. b 6. c 7. a 8. c

Part B

1. c 2. d 3. d 4. c 5. a 6. b 7. b

Part C

1) central 2) stories 3) furniture 4)

convenient 5) hours 6) signs

7) exits

8) After a meal, you can take a good look at the goods that are on sale, and you will not be forced to buy

anything.

9) prices are lower than in the big store, and a great

variety of goods are offered

10) you go in, pick up a basket or a cart, walk around the shop and choose what you need. At the exit there are a number of counters where you pay for all your

purchases together.

Part D

1. c 2. b 3. a 4. b 5. c 6. a 7. d 8. c

9. d 10. b

Test 2 Part A

1. b 2. d 3. d 4. a 5. b 6. b 7. d 8. a

Part B

1. a 2. d 3. b 4. c 5. a 6. b 7. c

Part C

1) buying 2) effects 3) led 4) desire 5)

worthless 6) misleading 7) regular

8) On the positive side, good advertising provides

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answers to a consumer¡¯s real concerns. 9) Knowing that their property is protected by

insurance makes people feel safe.

10) each consumer must evaluate her or his own situation

Part D

1. d 2. c 3. b 4. b 5. c 6. a 7. d 8. b

9. c 10. a

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